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🔐 Secure your space with precision — because every millimeter counts!
The RC-33 Magnetic Door Switch is a wired, normally closed security sensor designed for professional-grade intrusion detection. With a precise 15-25mm actuation distance, 110V max working voltage, and durable ABS housing, it integrates seamlessly into wooden or aluminum doors and windows. Sold in sets of five, it supports all major alarm systems and smartphone connectivity, delivering reliable, real-time security alerts for the modern smart home or office.
| ASIN | B0C394NYZ7 |
| Alert Type | entry |
| Antenna Location | home security and intrusion detection |
| Best Sellers Rank | #96,150 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #98 in Home Security Door & Window Sensors |
| Brand | QLXHBOT |
| Built-In Media | Magnetic Door Switch (5) |
| Color | White |
| Colour | White |
| Compatible Devices | Smartphone |
| Compatible devices | Smartphone |
| Connectivity Technology | Wired |
| Connectivity technology | Wired |
| Customer Reviews | 4.7 out of 5 stars 135 Reviews |
| Installation Method | professional hard-wired |
| Item Dimensions | 17 x 11 x 10 millimeters |
| Item Weight | 0.04 Kilograms |
| Item dimensions L x W x H | 17 x 11 x 10 millimeters |
| Manufacturer | QLXHBOT |
| Maximum Range | 25 Millimeters |
| Model Number | RC-33 NC |
| Power Source | DC Powered |
| Power source | DC Powered |
| UPC | 791727358818 |
| Unit Count | 5.0 Count |
| Voltage | 110 Volts |
O**E
Small Quantity. Direct Replacement.
Worked perfectly to replace two damaged door alarm sensors in my home. These do not get damaged often so having a pack of "five" is perfect for a DIY homeowner.
A**Z
Worked
Perfect Replacement if one goes bad or lost we replace doors remodeling and one got destroyed glad we have replacements for the next few jobs
J**N
Great working alarm sensors
A perfect fix for my main door's defective magnet sensor that went on strike and started giving me some grief. Just imaging you are vacationing in Cabo and enjoying a nice frozen Margarita when the security app informs you that your home's security alarm system is blasting because the front door just got opened and police were called. Only option is to turn off the alarm in cellphone app and to call a friendly neighbor to quickly go and check this nervous event. To make a long story short as soon as I got home 3 days later I cleaned the magnet sensors but it did not help. The system still says front door open when it is actually closed. Proof that my door sensor is not good and properly working anymore. Hoping for the best I went to Amazon and quickly found these sensors and as they look quite close to my sensors I ordered it and received them the next day, thank you Amazon Prime. I removed the old sensor which was installed on the top of my main front door and replaced it with the new one I had just received. Perfect fit. A quick check at my security control panel showed me total relief....the green light was on meaning system is now operating normally again. A quick test by turning the alarm system on worked like a charm. Nice to get lucky and to know what to do.
Y**N
They simply work well.
For my application, they are working well. I will trust them to do the job.
J**L
Good
Work as hoped
Trustpilot
2 months ago
2 weeks ago